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ICDE
2012
IEEE
249views Database» more  ICDE 2012»
13 years 5 days ago
Answering Why-not Questions on Top-k Queries
Abstract—After decades of effort working on database performance, the quality and the usability of database systems have received more attention in recent years. In particular, t...
Zhian He, Eric Lo
WWW
2004
ACM
15 years 10 months ago
A hybrid approach for searching in the semantic web
This paper presents a search architecture that combines classical search techniques with spread activation techniques applied to a semantic model of a given domain. Given an ontol...
Cristiano Rocha, Daniel Schwabe, Marcus Poggi de A...
MSWIM
2005
ACM
15 years 3 months ago
YAES: a modular simulator for mobile networks
Developing network protocols for mobile wireless systems is a complex task, and most of the existing simulator frameworks are not well suited for experimental development. The YAE...
Ladislau Bölöni, Damla Turgut
WWW
2005
ACM
15 years 10 months ago
Sampling search-engine results
We consider the problem of efficiently sampling Web search engine query results. In turn, using a small random sample instead of the full set of results leads to efficient approxi...
Aris Anagnostopoulos, Andrei Z. Broder, David Carm...
ORL
1998
116views more  ORL 1998»
14 years 9 months ago
Heuristic solution of the multisource Weber problem as a p-median problem
Good heuristic solutions for large Multisource Weber problems can be obtained by solving related p-median problems in which potential locations of the facilities are users location...
Pierre Hansen, Nenad Mladenovic, Éric D. Ta...